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Full Discussion: Help with shell script to extract data from XML file
Top Forums Shell Programming and Scripting Help with shell script to extract data from XML file Post 302231997 by yajaykumar on Wednesday 3rd of September 2008 04:47:03 PM
Old 09-03-2008
Help with shell script to extract data from XML file
Hello Scripting Gurus,

I need help with extracting data from the XML file using shell script.
The data is in a large XML and I need to extract the id values of all completedworkflows. Here is a sample of it. Input and output data is also in the attached text files.

<wfregistry>
<completedworkflows>
<id v="3381"/>
<id v="3399"/>
<id v="3415"/>
<id v="3431"/>
<id v="3447"/>
<id v="3463"/>
<id v="3479"/>
<id v="3495"/>
<id v="3511"/>
<id v="3527"/>
<id v="3543"/>
<id v="3559"/>
<id v="3575"/>
<id v="3591"/>
<id v="3607"/>
</completedworkflows>
<completedtasks>
<id v="3383"/>
<id v="3389"/>
<id v="3390"/>
<id v="3401"/>
<id v="3407"/>
<id v="3408"/>
<id v="3417"/>
<id v="3423"/>
<id v="3424"/>
<id v="3433"/>
<id v="3439"/>
<id v="3440"/>
<id v="3449"/>
<id v="3455"/>
<id v="3456"/>
<id v="3465"/>
<id v="3471"/>
</completedtasks>
</wfregistry>

The output has to be list of all completed tasks.i.e :

3381
3399
3415
3431
3447
3463
3479
3495
3511
3527
3543
3559
3575
3591
3607

Your help is highly appreciated.

Thank you,
Ajay.
samplexmldata.txt (945 Bytes) 
sampleoutput.txt (253 Bytes) 
 

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LEARN ABOUT SUSE

xmlstarlet

XMLSTARLET(1)							 xmlstarlet Manual						     XMLSTARLET(1)

NAME

       xmlstarlet - command line XML/XSLT toolkit

SYNOPSIS

       xmlstarlet [<options>] [<command>] [<cmd-options>]

INTRODUCTION

       XMLStarlet is a set of command line utilities (tools) which can be used to transform, query, validate, and edit XML documents and files us-
       ing simple set of shell commands in similar way it is done for plain text files using UNIX grep, sed, awk, diff, patch, join, etc commands.
       This  set of command line utilities can be used by those who deal with many XML documents on UNIX shell command prompt as well as for auto-
       mated XML processing with shell scripts.

OPTIONS

       --version
	      Display the version of xmlstarlet.

       --help Display help.

COMMANDS

       Type: xml <command> --help <ENTER> for command help

       Available commands include:

       ed (or edit)
	      Edit/update XML document(s).

       sel (or select)
	      Select data or query XML document(s) (XPATH, etc).

       tr (or transform)
	      Transform XML documents(s) using XSLT.

       val (or validate)
	      Validate XML document(s) (well-formed/DTD/XSD/RelaxNG).

       fo (or format)
	      Format XML document(s).

       el (or elements)
	      Display element structure of XML document.

       c14n (or canonic)
	      XML canonicalization.

       ls (or list)
	      List directory as XML.

       esc (or escape)
	      Escape special XML characters.

       unesc (or unescape)
	      Unescape special XML characters.

       pyx (or xmln)
	      Convert XML into PYX format (based on ESIS - ISO 8879).

       p2x (or depyx)
	      Convert PYX into XML.

REFERENCES

       XMLStarlet is a command line  toolkit  to  query/edit/check/transform  XML  documents  (for  more  information  see  http://xmlstar.source-
       forge.net/).

AUTHOR

       Mikhail Grushinskiy.

																     XMLSTARLET(1)
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